DW/145 Fire Damper Selection Masonry Wall DW/145 Method 1 DW/145 Method 2 DW/145 Method 3 DW/145 Method 7 Does the damper protect an escape route or an area with sleeping risk? YES Does the proposed fire damper model have an ES classification with a test report/assessment for this method in the proposed supporting construction (EN1366-2/EN13501-3)? YES YES: select this fire damper model YES YES: select this fire damper model YES YES: select this fire damper model NO NO No: Select a different fire damper model and/or manufacturer Select supporting construction Dry Wall DW/145 Method 1 DW/145 Method 2 DW/145 Method 4 DW/145 Method 5 Will the fans be turned off in the occurrence of a fire or smoke alarm? NO Does the proposed fire damper model have an E classification with a test report/assessment for this method in the proposed supporting construction (EN1366-2/EN13501-3)? Curtain fire dampers are not recommended for closure against continuing air flow NO No: Select a different fire damper model and/or manufacturer Fire Curtain DW/145 Method 6 YES Does the proposed fire damper model have an E classification with a test report/assessment for this method in the proposed supporting construction (EN1366-2/EN13501-3) or a test report/assessment to BS476-20/22? NO No: Select a different fire damper model and/or manufacturer